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County · Illinois

Peoria County

179,630Population
-1.3 %Change since 2020
116Net migration
5.3 %Unemployment rate

Facts

Population
179,630 (2024)
Change since 2020
-1.3 %
Net migration
116 (2023)
Unemployment rate
5.3 % (2025)
Population base, April 2020
182,021 (2020)
Births
2,072 (2023)
Births per 1,000 residents, 2023
11.5
Deaths
1,954 (2023)
Deaths per 1,000 residents, 2023
10.9
Natural change, 2023
118
International migration
1,283 (2023)
Domestic migration
-1,167 (2023)
Net migration per 1,000, 2023
0.6
Postal code
IL
FIPS code
17143

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020255.35.2
PeriodValue
20255.3 %
20245.4 %
20235.4 %
20225.1 %
20217.1 %
202010.0 %
20194.9 %
20185.6 %
20175.8 %
20166.7 %
20156.8 %
20147.7 %

Population estimates, 2020–2024

20202024179.6K181.5K
PeriodValue
2024179,630
2023178,735
2022178,503
2021179,847
2020181,512